diff --git a/packages/docusaurus-playground/docs/Advanced/pages/index.md b/packages/docusaurus-playground/docs/Advanced/pages/index.md
new file mode 100644
index 0000000..7c94d73
--- /dev/null
+++ b/packages/docusaurus-playground/docs/Advanced/pages/index.md
@@ -0,0 +1,10 @@
+---
+title: Subpage Group
+sidebar_position: 5
+---
+
+## Hello World
+
+```python
+print("hello world!")
+```
diff --git a/packages/docusaurus-playground/docs/Advanced/pages/subpage2.md b/packages/docusaurus-playground/docs/Advanced/pages/subpage2.md
new file mode 100644
index 0000000..a4e16d0
--- /dev/null
+++ b/packages/docusaurus-playground/docs/Advanced/pages/subpage2.md
@@ -0,0 +1,10 @@
+---
+title: Subpage2
+sidebar_position: 5
+---
+
+## Hello World
+
+```python
+print("hello world!")
+```
diff --git a/packages/docusaurus-playground/docs/Advanced/pages/subpage3.md b/packages/docusaurus-playground/docs/Advanced/pages/subpage3.md
new file mode 100644
index 0000000..96e71ce
--- /dev/null
+++ b/packages/docusaurus-playground/docs/Advanced/pages/subpage3.md
@@ -0,0 +1,10 @@
+---
+title: Subpage3
+sidebar_position: 6
+---
+
+## Hello World
+
+```python
+print("hello world!")
+```
diff --git a/packages/docusaurus-playground/docs/Advanced/pages/pages.md b/packages/docusaurus-playground/docs/Advanced/subpage1.md
similarity index 83%
rename from packages/docusaurus-playground/docs/Advanced/pages/pages.md
rename to packages/docusaurus-playground/docs/Advanced/subpage1.md
index 300a090..da1e78d 100644
--- a/packages/docusaurus-playground/docs/Advanced/pages/pages.md
+++ b/packages/docusaurus-playground/docs/Advanced/subpage1.md
@@ -1,5 +1,5 @@
 ---
-title: Subtitle
+title: Subpage1
 sidebar_position: 4
 ---
 
diff --git a/packages/docusaurus-playground/docs/Advanced/subpage4.md b/packages/docusaurus-playground/docs/Advanced/subpage4.md
new file mode 100644
index 0000000..dade5f3
--- /dev/null
+++ b/packages/docusaurus-playground/docs/Advanced/subpage4.md
@@ -0,0 +1,10 @@
+---
+title: Subpage4
+sidebar_position: 7
+---
+
+## Hello World
+
+```python
+print("hello world!")
+```
diff --git a/packages/logos-docusaurus-theme/src/client/css/custom.scss b/packages/logos-docusaurus-theme/src/client/css/custom.scss
index 0329242..2c7d796 100644
--- a/packages/logos-docusaurus-theme/src/client/css/custom.scss
+++ b/packages/logos-docusaurus-theme/src/client/css/custom.scss
@@ -731,6 +731,14 @@ table {
   transform: rotate(180deg);
 }
 
+.menu__list-item-collapsible--active > :not(a[href='#']) {
+  box-shadow: inset 1px 0px 0px rgb(var(--lsd-border-primary));
+}
+
+.menu__list-item-collapsible > a {
+  box-shadow: none;
+}
+
 main[itemtype*='Blog'] {
   margin-left: 0;